20. The following is the exchange rate on a certain day: \( € 1=R 20.75 \) \( R 1=£ 0.041 \) If a pair of running shoes costs \( £ 45 \), what is the price in \( € \) ? A. \( € 57.08 \) B. \( € 49.61 \) C. \( € 55.43 \) D. \( € 52.89 \)

1. Función de consumo. Suponga que la funclón de consumo do un pais está dada pori: C \( =\frac{10 \sqrt{1}+0.7 \sqrt{1^{3}}-0.21}{\sqrt{1}} \) Encuentre la propensión marginal al consumo paral \( =25 \) a. 0.68 b. 0.67 c. 0.71 d. 0.16

Bad news - you tried your hand at the stock market and it didn't go too well. From an initial investment of \( \$ 550 \), you now only have \( \$ 106 \) remaining. What was the percent loss? Round to the nearest percent.

Propensión marginal al ahorro. Suponga que la función de ahorro de un país es: \( S=\frac{l-2 \sqrt{l}-8}{\sqrt{I}+2} \) donde el ingreso nacional (i) y el ahorro nacional ( \( S \) ) se miden en millones de dólares. Determine la propensión marginal al ahorro cuandol \( =150 \) Seleccione una: a. 0.1627 b. 0.0408 c. 0.0719 d. 0.3169

Interest Sajina deposited Rs 20,000 at the rate of \( 8 \% \) p.a. in her saving account. Afters 2 years, she withdrew Rs 5,000 and the total interest of 2 years. How long should she keep the remaining amount to get total interest of Rs 6,800 from the beginnino?

You borrow a tidy sum of money from a really good friend - \( \$ 15,000 \) - and plan to pay her back in 6 years with \( 8 \% \) simple interest per year. How much will you be paying her just in interest after the 6 years?